笔途网 is a one-stop platform for industrial marking products and industrial supplies, serving both wholesale and retail customers through online and offline operations. The company works with numerous domestic and international brands, including Sharpie, Geemarker, edding, Sakura, Mitsubishi, and 3M, and manages regional warehousing to support product supply. Its core offering is industrial marking, with a broad range of markers and specialty pens for applications such as semiconductors, optics, automotive manufacturing, laboratories, nuclear industry, and medical and biological fields.

Products include oil-based and water-based markers, paint markers, whiteboard pens, high-temperature and cleanroom markers, testing pens, pencils, inks, and refills. Options are available for needs such as water resistance, alcohol or chemical resistance, temperature tolerance, quick drying, and different line widths and colors. The platform also supplies industrial inks and stamp products, protective gloves and mats, cleaning wipes and cloths, tapes, knives, and other consumables. For business and factory buyers, Bitu offers purchasing support, distributor cooperation, product documentation and test reports, and tailored marking recommendations to help customers select suitable solutions.